Irrigating sprinkler



June 26, 1951 1.. OLSCHEWSKI IRRIGATING SPRINKLER 2 Sheets-Sheet 1 Filed April 2'7, 1946 AI Fifi! [/VVE/VIOK. [e0 018011811611 i 257% O HFI'ORA/EY June 26, 1951 1.. OLSCHEWSKI IRRIGATING SPRINKLER 2 Sheets-Sheet 2 Filed April 27, 1946 Z m m m 5. WW W H F m W M W Patented June 26, 1951 UNITED STATES PAT-TENT OFFICE IR'RIGATING SPRINKLER Leo Olschewski, Union, N. J.; Hertha-Qlschewski,

executrix 0f said Leo Qlschewski, deceased, assignor to Emma J. Olschew'ski ApplicationA-p'riliZl, 1946, Serial N0.,.66.5,5 55

. 4 Claims.

.. ler.headrmounted in.:one end of an elbow-memfiber connected by a. union. to the T-fitting where- -by;thesprinkler'head may be adjusted from horizontal position. to, .difierentangular positions :re-

lative to the vertical. Pressure induceclby. the "discharge of water fromthe sprinkler headexerts a force upon the T-coupling or fitting to rotate with the sprinkler head :carrying elbow. To iprovideaplurality ofisprinkler heads a series of T-fittings are provided and, connectedcoaxially i. in superposed'relation with the lower T-fitting incommunication with1the standrpipe .and ,-;the r-zsuperposed fittings connected in communication with "each other. .;By this arrangement ;:the :area of ground which maybe irrigated is restricted.

1 It :is an;object*of the invention 'tomprovide an .improved sprinkler of this character whereby azconsiderably increased area of ground mayabe irrigated than: has heretofore been possible vby uthe, provision of :an improved. construction vand arrangement of {sprinkler :head carrierand-im- I portion oj lf'igure -1 partly in section to s how the -proved means for connectingsaid carrier in com- --munication with: and rotatably supporting --the same. on the stand pipe.

In wirrigatingsprinklers of this characteruitv is {essential that a relatively rigid. 'support;is;pro-;

:vided for the stand pipe andwhich supportimay :be-readily propelled or moved to'differentpositions without injury to thegrass or sod-when the sprinkler is'used for irrigating lawns-or golf x'courses. It is afurther objectof the invention the-stand pipe without injury} to :-grass-;,ior-;fsod:

over which it may be propelled.

. -It is another object of thednvention to .gprovide an improved sprinklenheadrfor use in con- V nection with zirrigating sprinklers of -;th' hare t whe e st a :rcdi ar d i1 9mi: QT5;1 132 1 5'a' fi ti am n n a d; e t d :sprinklerxhead will be discharged agreaterfd'isstance than has heretofore been -possib le"by ir- .-rigat ngj sprinklers, and .thus make it possible to irrigate a greater-area of ground. "The sp'rin- ;kler head comprises a cap having the outer surface of theend wall of convex form and thejinner sur faceof concave form concentric with theouter convex surface. Said end wall of the can has periorations or discharge orifices therein ldis- ;-the center perforation disposed axially of ;.the

:posed in a row diametrically of vsaid. wall .with

capfand the perforations outwardly from, each side oi-zsaid center perforation extending ,at progressively' increasing angles relative .to the axis ;of thec ap. The outer portions of said discharge orifices ;.or -,per-f orations are counter-sunk .or en- .larged at the outer .endwith therwalllthereof diverging or inclining outwardly .from 'the per- ---f orations to the outer convex surface of .the

sprinkler ;.cap.

Otherobjects and advantages of the invention ,will hereinafter appear.

1 In the drawings accompanying and forming a part of this application,

Figure 1 is a side aelevationof an irrigating sprinkler showing an embodiment ,of the invem .Eigure-Z is a viewlooking at-thetop of Figure 1.

Figure 3 isa sectional view taken on 'thevline .'33:.of Figure 1.

a Figure 4 is a sectional view .takenon the line 4-4 of Figure 1. .-;F;i gure 5 is a sectionalview taken on the line -.55 .of Figure 1.

'Eigure 6;-is a fragmentaryview of the upper srotary support for- ,the sprinkler head.

'Figure 7; is-asideelevation of a ltubularmem- -ber-oi the-means for rotatablylconnectingflthe sprinkler head carrier to and in communication "with the stand pipe;of;the sprinkler.

Figure- 8 is a-sideclevation, partly in section,

rier to the stand pipe of the sprinkler.

Figure 9 isa-planview of thei-improvedsprinka ler head or cap; and

i lE 'igure lp is a sectional view-of the-sprinkler head or cap taken onthe Imeld -fit of Figural).

In-.carrying out the embodiment of the inventi r v hownz n cd w n s a d. sni

mountedat one- -.end in a 'base member 2 as by a screw thread gconnection with a-;.-socket in the :ton cheta e memb an a h b e-memlaterally therefrom in communication through the socket with the stand pipe. The fitting 4 is arranged for connection to a coupling of a hose or the like for connecting the stand pipe with a source of water. 5

The base member 2 is provided with means for firmly supporting the same upon the ground, and as shown comprise a series of three tubular arms or legs 6 equidistantly spaced about and extending radially from a hollow portion I extending downwardly from the stand pipe engaging socket of the base member. One of the arms extends parallel to and below the fitting 4. The arms 6, which may consist of piping, are fixed at one end in openings in plates 8 secured to flats of the outer surface of the portion I of the base member 2 by screws 9. Ground engaging shoes II are secured to and support the outer ends of the arms 6. The shoes II are of rectangular dished form, preferably of greater length than width, and have a fiat ground engaging surface with the forward and rearward ends of said surface merging in rounded portions with the side of the shoes. The shoes are provided in the bottom surface with perforations I9 whereby water collecting in the '25 shoes will seep through said perforations and irrigate the portion of the ground below the shoes.

j The shoes II have a central pillar I2 having a -transverse recess in the top conforming to the outer contour of the arms. The recess engaged by the arm 5 extending parallel to the fitting 4, as shown in Figure 4, is extended in a direction longitudinally of theshoe H whereby the shoe II will extend parallel to said arm 6. The arms 6 are secured to the shoe pillars I2 by caps I3 hav- 5 ing a recess in the under face opposed to the end of the pillar I2 corresponding in shape to the recess in the pillar i2 and secured thereto by a screw I4 extended through an opening in the cap i3 and the arm 6 and threaded into the pillar I2, as shown at I5 in Figure 4. The shoes II are connected to the other arms 6 to extend parallel to each other and the shoe II connected to the arm 6 extending parallel to fitting 4. For this purpose the pillars I2- of the other shoes II are disposed diagonally of the shoes, as shown in Figure 2, and the recess in the tops of said pillars is arranged so that they extend along the surfacesof the arms to which they are connected.

Said arms 8 are connected to the pillars I2 by caps l3 and screws M as described and shown in Figure 4. A hook member I! is secured to the top of the pillar I2 connected to the arm extending parallel to the fitting I, as shown in Figures '1 and 2, by the screw I4 connecting the cap I3 to the'pillar 2. The hose 5 connectedto the fitting 4 is adapted to be engaged with the hook member I1 and whereby the sprinkler is adapted to be propelled to different positions by a pulling force applied to the hose. By the arrangement of the fiat bottom face of the shoes II and the shoes II extending in the same direction, there is no possibility of the shoes injuring the grass or sod of a lawn or golf course as theshoes move over the same.

A tubular sprinkler head carrier is connected in communication with and rotatably supported by the stand pipe I. As shown this sprinkler head carrier comprises a fitting in the form of a four way coupling I6. A pair of tubes or pipes I8, I9 .70 are screw threaded in opposed branches of said coupling I6, as shown in Figures 1 and 2. An elbow 20 having a sprinkler head or cap 21 mounted in one end thereof is connected to the outer end of pipe I 8 by a'union 22. One member 4 of union 22 is threaded into an enlargement 23 at the end of pipe I8 and the other member of the union 22 threaded onto the elbow 29, as shown in Figures 1 and 2.

The outer end of the tube I9 is bent at a right angle, and an elbow 24 having a sprinkler head or cap 25 mounted in one end thereof is connected at the opposite end to tube I9 by a union 26. One member of union 25 is connected to the elbow 24 and the other member of union 26 is connected to the tube I9. By this arrangement of connecting the elbows 20 and 24 to the tubes I3 and IS the sprinkler heads or caps 2| and 25 may be adjusted to different angular positions. A sprinkler head or cap 2'5 is fixedly mounted in an opening in the fitting or coupling I6 intermediate the tubes I8, I9 to extend at a right angle to said tubes.

To connect the coupling It in communication with and rotatably support the same upon the stand pipe, a tube 23 is provided with external screw threads at one end for threaded connection with the opening in the coupling It in line with and opposed to the sprinkler head 21, as at 29. The opposite end of said tube 28 has an outwardly extending annular flange 39. A coupling 3I has an enlarged portion at one end engaged upon the end of the stand pipe I and has screw threaded connection therewith, as at 32. A sec- 0nd coupling 33 has a reduced portion at one end which is engaged in and has screw threaded connection with the reduced end of the coupling 3I, as at 3A. The bore in said reduced portion of said coupling 3.3 is of less diameter than the bores in the coupling 3i and stand pipe I and is substantially the same diameter as the bore in the tube 28. A washer 35 of anti-friction metal, such as lead, is engaged upon the tube 23 and the flange 38. A member in the form of a sleeve 36 is loosely mounted on the tube 28 at the side of the washer 35 opposite the tube fiange 30 and the end of the sleeve 35 adjacent the washer 35 being externally screw threaded. The tube 28 with the washer 35 thereon is engaged in the portion of larger diameter of the coupling 33 with the flange end 38 of the tube 28 opposed to a shoulder 3'! in the coupling 33. The tube 28 is secured in this position by the threaded engagement of the external screw thread on the sleeve 38 with an internal screw thread on the coupling 33, as shown in Figure 6. The sleeve 36 confines the flanged end 30 of the tube 28 and the washer 35 between the shoulder 37 and the end of the sleeve 36. The sleeve 32 is locked in position in the coupling 33 by a lock nut 38 threaded onto the sleeve 36 abutting the end of the coupling 33. By this construction and arrangement of sprinkler head carrier I6, 18 and I9 with the .tube 28 connected centrally thereto, and the connecting and the supporting of the same from the stand pipe I by means of the coupling 33 and sleeve 35, there is only one moving part and any force which may tend to cant the sprinkler head carrier I6, I8 and I9 and set up a binding force that might interfere with the rotation of the sprinkler head carrier I6, I8 and I9 is taken up by the sleeve 36. Furthermore, the pressure of the water passing through the stand pipe I into the tube 28 is increased due to the reduction in the diameter of the bore in the tube 28 relative to the bore in the stand pipe I and the pressure of the water is further increased by the resistance of the sprinkler heads 2I,-25, 21 to the discharge of the water therethrough. Said pressure is sufficient to exert a lifting force on the sprinkler instance the sprinkler head 2|.

ssesses head carrier lli, i B and lt and relieve the weight thereof on.,the. shoulder .37... .iIheionly friction to retard the rotation of the sprinkler head carrier [6, I8 and ,lSisthat between-the. tube flange 30 and the washer 35" of 'antlfrictionmetal and between the tube 28 and sleet/e33 and therebyr'econnection with the coupling i and the elbows 28, 24 (Figures 1 and 2). The" end closure'wall of the caps is substantially of uniform thickness having an outer convex surface and an inner concentric concave surface with a row of perforations or discharge orifices 43 extending diametrically of said wall. As shown, there are seven of said perforations 40, the' center perforation being disposed axially of the cap and the perforations at the opposite sides of said center perforation inclining at progressively increasing angles relative to the center perforation. The outer portion of the perforations 40 are countersunk to the same extent with the wall of the countersunk portions diverging outwardly from the perforations is toward the convex surface of the caps 2|, 25, 27, as shown at M in Figures 9 and 10. A strainer 42 of cup form is arranged in the caps 25, 25, 21 in spaced relation to the end wall and retained therein by impinging the skirt of the strainer against the side wall of the caps. To facilitate mounting and removing the sprinkler heads or caps 28, 25, 27 they are arranged for the application of a wrench, as at 43. The sprinkler head or cap 21 is mounted in the coupling l6 so that the row of perforations 43 therein extend in line with the pipes or tubes i8, 19. The sprinkler head 2| is mounted in the elbow 29 so that the row of perforations 39 therein extend in a plane substantially parallel to the pipe or tube is, and the sprinkler head or cap 25 is mounted in the elbow 24 so that the perforations 40 extend at a right angle to the tube or pipe [9, as shown in Figure 2.

The sprinkler head carrier i6, I8 and I9 is rotated by the force of a pressure exerted thereon and induced by the discharge of the water from one of the sprinkler heads 2!, 25, in the present To cause the sprinkler head carrier It, l8 and 59 to rotate in the direction indicated by the arrow a, Figure 2, the sprinkler head carrying elbow 24) is adjusted so that the sprinkler head 2| will be disposed in angular relation to the tube It, and may be adjusted to extend horizontally at a right angle to the tube l8, as shown, or may be adjusted to different angular positions between the horizontal and vertical. The greatest force will be applied to the sprinkler head carrier IS, IS and it! to rotate said carrier at a relatively high speed when the sprinkler head is adjusted to horizontal position. The speed of rotation of the sprinkler head carrier l6, l8 and I9 is reduced by adjustment of the sprinkler head 2| out of the horizontal position and to the vertical.

The sprinkler head 25 may be mounted so that the row of perforations 49 extend in a plane parallel to the tube l9, as shown in Figure 1, but is preferably mounted so that the row of perforations 40 extend in a plane transversely of the tube 19, as shown in Figure 2. By this latter arrangement the sprinkler head 25 may be adjusted to discharge water vertically upward, or

"ad-just'e'dtopositionito d charge the water-cu wardly or inwardly "substantiallyin a horizontal plane, or upwardly: and outwardlyand ii-iwardly by adjustment of the sprinkler head'25to different angular positions between the horizontal and vertical. By countersinking the outer ends of the discharge orifices orperforations 69' as described the stream is discharged to a greater extent and will irrigate a greater area of ground than if the discharge orifices are of uniform diameter for the entire length thereof. 'Since ciiuntersinking' the outer end portion of the 'discharge 'orific'es' ifl there is discharged from" the orifices 39 a eolumnof water'for adis'ta'nce of three feet or more before the comm'ns of water begin to break into a spray. "The adjustment of the sprinkler headjcarrying elbows "20, '24 maybe readily e'ifect'ed'si'nce all that is reduiredis to loosen the members 22, 26 of the unionsbonnect'ing'the elbo'ws'2'il, 2:? to the tubes !8, IQ for which purpose said union members 22, 26 are knurled to facilitate the manipulation of the same. After the sprinkler heads 2 i, 25 have been adjusted said unions 22, 26 may be as readily manipulated to secure the sprinkler head carrying elbows 2c, 24 in adjusted position.

Having described my invention, I claim:

1. In a sprinkler including a stand pipe and a tubular sprinkler head carrier connected in communication with and rotatably supported by the stand pipe, means to movably support the stand pipe with the sprinkler head carrier, comprising a base member in which the stand pipe is mounted and having a laterally extending fitting in communication with the stand pipe and adapted for connection of a hose coupling, arms equidistantly spaced about and extending outwardly from the base member in angular relation to the stand pipe, and rectangular shoes having a fiat ground engaging face and connected to the arms and the shoes extending in parallel relation to each other with one shoe extending parallel to its connected arm and the other shoes disposed transverse to their respective arms.

2. A sprinkler as claimed in claim 1, wherein the fitting adapted for connection of a hose coupling is disposed above and extends parallel to the arm having the shoe extending parallel to said arm, a hook member fixed to and extending upwardly from said arm and adapted for engagement of a hose connected to the base fitting to facilitate moving the sprinkler by a pulling force applied to the hose.

3. In a sprinkler including'a stand pipe and a tubular sprinkler head carrier connected in communication with and rotatably supported by the stand pipe, means to movably support the stand I pipe with the sprinkler head carrier, comprising a base member in which the stand pipe is mounted and having a laterally extending fitting in communication with the stand pipe and adapted for connection to a hose coupling, arms equidistantly spaced about and extending outwardly from the base member in angular relation to the stand pipe, and rectangular shoes of dish form having a flat ground engaging face and arranged with a central pillar adapted for engagement and connection of the arms thereto with the shoes extending in parallel relation to each other.

4. In a sprinkler including a stand pipe and a tubular sprinkler head carrier connected in communication with and rotatably supported by the stand pipe, means to movably support the stand pipe with the sprinkler head carrier, comprising a base member in which the stand pipe is mounted and having a laterally extending fitting in communication with the stand pipe and adapted for connection of a hose coupling, arms equidistantly spaced about and extending outwardly from the base member in angular relation to the stand pipe, rectangular shoes each having a flat ground engaging face and arranged with a central pillar having a recess in the upper end conforming to the contour of and for engagement of the arms, a cap having a recess in the bottom face thereof conforming to and for engagement of an arm in opposed'relation to the pillar, and a screw extended through 15 said cap and the arm and threaded into the pillar for securing the shoes to the arms with the shoes extending in parallel relation to each other.

LEO OLSCHEWSKI.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 172,024 Hug Jan. 11, 1876 437,322 Addison Sept. 30, 1890 1,390,310 Plumer Sept. 13, 1921 19 1,401,911 Keller Dec. 27, 1921 1,780,332 Brickhill Nov. 4, 1930' 1,823,635 Williams Sept. 15, 1931 2,032,369 Kilpatrick Mar. 3, 1936 2,202,349 Lewis May 28, 1940 2,254,751 Paradise Sept. 2, 1941 2,323,701 Barksdale July 6, 1943 FOREIGN PATENTS Number Country Date 734,294 France July 26, 1932 

